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pactl, pacmd, cli-command: Add send-message command

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Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/51>
This commit is contained in:
Georg Chini 2020-01-14 10:24:36 +01:00 • committed by Tanu Kaskinen
parent 4cdc0053c0
commit 68f2f1395d
9 changed files with 122 additions and 4 deletions
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43
src/utils/pactl.c
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@ -56,7 +56,10 @@ static char
*card_name = NULL,
*profile_name = NULL,
*port_name = NULL,
*formats = NULL;
*formats = NULL,
*object_path = NULL,
*message = NULL,
*message_args = NULL;
static uint32_t
sink_input_idx = PA_INVALID_INDEX,
@ -130,6 +133,7 @@ static enum {
SET_SOURCE_OUTPUT_MUTE,
SET_SINK_FORMATS,
SET_PORT_LATENCY_OFFSET,
SEND_MESSAGE,
SUBSCRIBE
} action = NONE;
@ -878,6 +882,19 @@ static void index_callback(pa_context *c, uint32_t idx, void *userdata) {
complete_action();
}
static void send_message_callback(pa_context *c, int success, const char *response, void *userdata) {
if (!success) {
pa_log(_("Send message failed: %s"), pa_strerror(pa_context_errno(c)));
quit(1);
return;
}
printf("%s\n", response);
complete_action();
}
static void volume_relative_adjust(pa_cvolume *cv) {
pa_assert(volume_flags & VOL_RELATIVE);
@ -1450,6 +1467,10 @@ static void context_state_callback(pa_context *c, void *userdata) {
o = pa_context_set_port_latency_offset(c, card_name, port_name, latency_offset, simple_callback, NULL);
break;
case SEND_MESSAGE:
o = pa_context_send_message_to_object(c, object_path, message, message_args, send_message_callback, NULL);
break;
case SUBSCRIBE:
pa_context_set_subscribe_callback(c, context_subscribe_callback, NULL);
@ -1626,6 +1647,7 @@ static void help(const char *argv0) {
printf("%s %s %s %s\n", argv0, _("[options]"), "set-(sink-input|source-output)-mute", _("#N 1|0|toggle"));
printf("%s %s %s %s\n", argv0, _("[options]"), "set-sink-formats", _("#N FORMATS"));
printf("%s %s %s %s\n", argv0, _("[options]"), "set-port-latency-offset", _("CARD-NAME|CARD-#N PORT OFFSET"));
printf("%s %s %s %s\n", argv0, _("[options]"), "send-message", _("RECIPIENT MESSAGE [MESSAGE_PARAMETERS]"));
printf("%s %s %s\n", argv0, _("[options]"), "subscribe");
printf(_("\nThe special names @DEFAULT_SINK@, @DEFAULT_SOURCE@ and @DEFAULT_MONITOR@\n"
"can be used to specify the default sink, source and monitor.\n"));
@ -2061,6 +2083,22 @@ int main(int argc, char *argv[]) {
goto quit;
}
} else if (pa_streq(argv[optind], "send-message")) {
action = SEND_MESSAGE;
if (argc < optind+3) {
pa_log(_("You have to specify at least an object path and a message name"));
goto quit;
}
object_path = pa_xstrdup(argv[optind + 1]);
message = pa_xstrdup(argv[optind + 2]);
if (argc >= optind+4)
message_args = pa_xstrdup(argv[optind + 3]);
if (argc > optind+4)
pa_log(_("Excess arguments given, they will be ignored. Note that all message parameters must be given as a single string."));
} else if (pa_streq(argv[optind], "subscribe"))
action = SUBSCRIBE;
@ -2154,6 +2192,9 @@ quit:
pa_xfree(profile_name);
pa_xfree(port_name);
pa_xfree(formats);
pa_xfree(object_path);
pa_xfree(message);
pa_xfree(message_args);
if (sndfile)
sf_close(sndfile);